aspencocothumper
aspencocothumper aspencocothumper
  • 26-02-2021
  • Mathematics
contestada

Can someone help me how would you eliminate the “y”

Can someone help me how would you eliminate the y class=

Respuesta :

3di
3di 3di
  • 26-02-2021

Answer:

Multiply by 3 -> 3(x - y = 6)

Step-by-step explanation:

Cuz since the 2nd is positive 3y

u need a negative 3y to get rid of it

3(x - y = 6)

2x + 3y = 7

3x - 3y = 18

2x + 3y = 7

5x/5 = 25/5

x = 5

5 - y = 6

-5          -5

-y/-1= 1/-1

y = -1

(5,-1)

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